Alert archive / Indiana / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 144, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 30, 2024, 7:05 PM EDT for Knox County, Indiana. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 30, 2024, 7:05 PM EDT (23:05 UTC)
- Expired
- Jul 30, 2024, 7:26 PM EDT
- In force
- 21 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Knox County, IN
The radar
The Evansville,IN radar (KVWX), 55 km from the middle of the area, began a volume at 23:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 192 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 695 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1102 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 30, 5:42 PM EDT, 1 hour 23 minutes earlier.
Area forecast discussion, Jul 30, 5:42 PM EDT, 1 hour 23 minutes before
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</html>Hazardous weather outlook, Jul 30, 3:12 PM EDT, 3 hours 53 minutes before
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Local storm report, Jul 30, 1:43 PM EDT, 5 hours 22 minutes before
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</html>Local storm report, Jul 30, 3:13 PM EDT, 3 hours 52 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
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Please try again in a few minutes.
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</html>The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:12 PM EDT | Tornado Warning | IND | Henry | 33 min |
| Jul 29, 8:41 PM EDT | Tornado Warning | IND | Henry | 34 min |
| Jul 29, 9:46 PM EDT | Tornado Warning | IND | Madison | 29 min |
| Jul 29, 10:10 PM EDT | Severe Thunderstorm Warning | IND | Hamilton, Madison, Tipton | 38 min |
| Jul 29, 10:15 PM EDT | Special Weather Statement | IND | Greene | 30 min |
| Jul 29, 10:15 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Henry, Madison | 45 min |
| Jul 29, 10:16 PM EDT | Special Weather Statement | IND | Lawrence | 29 min |
| Jul 29, 10:21 PM EDT | Tornado Warning | IND | Delaware, Henry, Madison | 24 min |
| Jul 29, 10:31 PM EDT | Areal Flood Advisory | IND | Delaware, Madison | 2 hr |
| Jul 29, 10:35 PM EDT | Severe Thunderstorm Warning | IND | Clay, Owen | 40 min |
| Jul 29, 10:37 PM EDT | Severe Thunderstorm Warning | IND | Jackson, Lawrence | 38 min |
| Jul 29, 10:45 PM EDT | Tornado Warning | IND | Delaware, Henry | 45 min |
| Jul 29, 11:09 PM EDT | Severe Thunderstorm Warning | IND | Clay, Greene, Monroe, Owen | 51 min |
| Jul 29, 11:14 PM EDT | Special Weather Statement | IND | Jackson | 31 min |
| Jul 29, 11:30 PM EDT | Special Weather Statement | IND | Henry | 30 min |
| Jul 29, 11:33 PM EDT | Areal Flood Advisory | IND | Delaware, Henry, Madison, Randolph | 5 hr |
| Jul 30, 12:20 AM EDT | Special Weather Statement | IND | Lawrence | 25 min |
| Jul 30, 12:35 AM EDT | Severe Thunderstorm Warning | IND | Lawrence | 21 min |
| Jul 30, 12:42 AM EDT | Areal Flood Advisory | IND | Jackson, Lawrence, Monroe | 3 hr |
| Jul 30, 11:06 AM EDT | Severe Thunderstorm Warning | IND | Greene, Knox, Sullivan | 39 min |
| Jul 30, 11:44 AM EDT | Severe Thunderstorm Warning | IND | Daviess, Knox | 31 min |
| Jul 30, 11:52 AM EDT | Special Weather Statement | IND | Greene, Martin | 23 min |
| Jul 30, 12:04 PM EDT | Special Weather Statement | IND | Martin | 26 min |
| Jul 30, 6:22 PM EDT | Severe Thunderstorm Warning | IND | Knox | 38 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2024Every severe thunderstorm warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.